We consider environmental risks that are evaluated too much heavy for a single insurance company, but they can be insured by n companies which a premium is assigned to.This is precisely the Italian scenario where a pool of companies co-insures these risks.Under a game theoretic approach we start...

With the increasing popularity of e-commerce systems, commercial transactions are becoming more and more frequent. Such transactions are not direct but mediated, putting the buyer in a position of weakness with respect to the seller, especially in the case of a failure of a transaction. The...

Description of the papers presented in 2014/Vol. 24/No. 4

In 2013, the International Game Theory Review published two special issues on open problems in cooperative games: the first regarding theory (Fragnelli and Gambarelli, 2013a) and the second applications (Fragnelli and Gambarelli, 2013b). In this paper, our aim is to present some problems...

The Knaster’s procedure is one of the simplest and most powerful mechanisms for allocating indivisible objects among agents requiring them, but its sealed bid feature may induce some agents in altering their valuations. In this paper we study the consequences of false declarations on the...

In a game theoretical setting it is possible to assign a relative measurement of the skill required to each player for maximizing his payoff in a casino game; according to this approach we analyze the relevance of skill and chance in an insurance contract, both for the insurance company and for...

Recently, a new family of power indices, the FP, was introduced by Fragnelli, Ottone and Sattanino (2009), requiring that the parties of a majority are ideologically contiguous along a left-right axis. The different choices of some parameters allow representing various situations, resulting in...

The decisiveness index and the loose protectionism index for a single player have been introduced, starting from the decisiveness and the loose protectionism indices for a collective decisionmaking mechanism defined by Carreras. Attention was mainly focused on the latter index, being proposed as...

The decisiveness index and the loose protectionism index for a single player have been introduced, starting from the decisiveness and the loose protectionism indices for a collective decisionmaking mechanism defined by Carreras. Attention was mainly focused on the latter index, being proposed as...